Lesson 4

1. Lesson 4

1.8. Explore 4

Mathematics 20-1 Module 4

Module 4: Quadratic Equations and Inequalities

The Discriminant and the Roots of the Quadratic Equation

This is a play button that opens The Discriminant: Three Cases.

Watch The Discriminant: Three Cases to see how the value of the discriminant in the quadratic formula affects the roots of the corresponding quadratic equation.

Self-Check 2

This is a play button that opens Discriminant Self-Check.

Launch Discriminant Self-Check to practise determining discriminants and identifying the nature of the roots of different quadratic equations.